package extend05;

class Fu {
    public void show(){
        System.out.println("Fu");
    }
}

class Zi extends Fu {
    public void print(){
        System.out.println("Zi");
    }

}
public class Demo01 {
    public static void main(String[] args) {
        Zi zi = new Zi();
        zi.show();
        zi.print();
        zi.toString();
    }
}
